You shouldn't need to search for textures if your runtimes are set up properly.
Personally I use only one runtime which is set up with "sub-folders", I find this easier than multiple runtimes and it doesn't give me any issues with finding textures.
Others prefer the multiple route, it's a persoanl preference thing and what works best for you.

Injustice will be avenged.
Cofiwch Dryweryn.